From 95e2fe57f6e4639f6ae9f1fef368829d5090dbf6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Ale=C5=A1=20Smodi=C5=A1?= Date: Tue, 18 Aug 2015 16:06:19 +0200 Subject: Exported all problems from the SQLite database into the new directory structure. --- prolog/problems/dcg/expr_2/common.py | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) create mode 100644 prolog/problems/dcg/expr_2/common.py (limited to 'prolog/problems/dcg/expr_2/common.py') diff --git a/prolog/problems/dcg/expr_2/common.py b/prolog/problems/dcg/expr_2/common.py new file mode 100644 index 0000000..49059f2 --- /dev/null +++ b/prolog/problems/dcg/expr_2/common.py @@ -0,0 +1,23 @@ +id = 170 +group = 'dcg' +number = 77 +visible = False +facts = None + +solution = '''\ +expr --> term170, addterm170. +addterm170 --> []. +addterm170 --> [+], expr. +term170 --> factor170, multfactor170. +multfactor170 --> []. +multfactor170 --> [*], term170. +factor170 --> num170. +factor170 --> ['('], expr, [')']. + +num170 --> digit170. +num170 --> nzdigit170, num_next170. +num_next170 --> digit170. +num_next170 --> digit170, num_next170. +digit170 --> ([0] ; [1] ; [2] ; [3] ; [4] ; [5] ; [6] ; [7] ; [8] ; [9]). +nzdigit170 --> ([1] ; [2] ; [3] ; [4] ; [5] ; [6] ; [7] ; [8] ; [9]). +''' -- cgit v1.2.1